22 _ Troubleshooting
Error Type
Error
Mode
Causes Corrective Actions Description of Photo
Water Supply
Error
4C
when The water
supply valve is
defective.
when The main
PCB is defective.
due to frozen
water.
replace the valve.
due to an alien substance in the
supplied to the machine.
appropriate countermeasure.
due to the water being frozen.
replace the PBA.
1. Measure the resistance of the water
supply valve.
between the terminals of the
material in the Water supply valve
Drain Error 5C
when The
drain pump is
defective.
due to frozen
water.
is any Alien
substance inside
The draining
pump.
when the main
PCB is defective.
inside the draining pump motor.
manner.
intermittently when the wash tub
water temperature is high, replace
the pump.
being frozen in winter, remove
the frozen Water referring to the
relevant repair procedures.
Communication
Error
AC
between the sub
and main PBAs
are not sensed.
connections
between the sub
and main PBAs.
terminal contacts between the sub
and main PBAs.
circuited because of moisture.
circuit is faulty, replace it.
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